CN109686216A - A kind of displaying device for indoor design - Google Patents

A kind of displaying device for indoor design Download PDF

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Publication number
CN109686216A
CN109686216A CN201910021267.1A CN201910021267A CN109686216A CN 109686216 A CN109686216 A CN 109686216A CN 201910021267 A CN201910021267 A CN 201910021267A CN 109686216 A CN109686216 A CN 109686216A
Authority
CN
China
Prior art keywords
cabinet
liquid crystal
holder structure
crystal display
support holder
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN201910021267.1A
Other languages
Chinese (zh)
Inventor
李继侠
杨超
刘丞均
师锦添
张杨
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Zhengzhou University of Science and Technology
Original Assignee
Zhengzhou University of Science and Technology
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Zhengzhou University of Science and Technology filed Critical Zhengzhou University of Science and Technology
Priority to CN201910021267.1A priority Critical patent/CN109686216A/en
Publication of CN109686216A publication Critical patent/CN109686216A/en
Pending legal-status Critical Current

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Classifications

    • GPHYSICS
    • G09EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09BEDUCATIONAL OR DEMONSTRATION APPLIANCES; APPLIANCES FOR TEACHING, OR COMMUNICATING WITH, THE BLIND, DEAF OR MUTE; MODELS; PLANETARIA; GLOBES; MAPS; DIAGRAMS
    • G09B25/00Models for purposes not provided for in G09B23/00, e.g. full-sized devices for demonstration purposes
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B43WRITING OR DRAWING IMPLEMENTS; BUREAU ACCESSORIES
    • B43LARTICLES FOR WRITING OR DRAWING UPON; WRITING OR DRAWING AIDS; ACCESSORIES FOR WRITING OR DRAWING
    • B43L1/00Repeatedly-usable boards or tablets for writing or drawing
    • B43L1/04Blackboards
    • GPHYSICS
    • G09EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09BEDUCATIONAL OR DEMONSTRATION APPLIANCES; APPLIANCES FOR TEACHING, OR COMMUNICATING WITH, THE BLIND, DEAF OR MUTE; MODELS; PLANETARIA; GLOBES; MAPS; DIAGRAMS
    • G09B5/00Electrically-operated educational appliances
    • G09B5/02Electrically-operated educational appliances with visual presentation of the material to be studied, e.g. using film strip
    • GPHYSICS
    • G09EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09FDISPLAYING; ADVERTISING; SIGNS; LABELS OR NAME-PLATES; SEALS
    • G09F9/00Indicating arrangements for variable information in which the information is built-up on a support by selection or combination of individual elements
    • G09F9/30Indicating arrangements for variable information in which the information is built-up on a support by selection or combination of individual elements in which the desired character or characters are formed by combining individual elements
    • G09F9/35Indicating arrangements for variable information in which the information is built-up on a support by selection or combination of individual elements in which the desired character or characters are formed by combining individual elements being liquid crystals

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  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Theoretical Computer Science (AREA)
  • Business, Economics & Management (AREA)
  • Educational Administration (AREA)
  • Educational Technology (AREA)
  • Chemical & Material Sciences (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Drawing Aids And Blackboards (AREA)
  • Devices For Indicating Variable Information By Combining Individual Elements (AREA)

Abstract

The invention discloses a kind of displaying devices for indoor design, cabinet and control device including rectangular parallelepiped structure, the box house is equipped with lifting device, the top of the lifting device is horizontally disposed with support holder structure, the shape adaptation of the support holder structure is able to achieve the support holder structure and moves up and down the case is intracorporal in the cabinet;The both ends of the top of the box case mouth are hinged with one and half case lids each by connection component, and two half case lid shapes are identical and symmetric design;The lateral surface of the cabinet is equipped with liquid crystal display and blackboard;The control device and the lifting device, the liquid crystal display are realized and are electrically connected.Three operations that the present invention can synchronize that implementation model is shown, coherent video plays, blackboard writing is imparted knowledge to students, at the same can also temporarily place it is more large-scale design a model, have the advantages that the full-featured, spacial flex of displaying greatly, combine teaching.

Description

A kind of displaying device for indoor design
Technical field
The present invention relates to indoor design technical field, more particularly to a kind of displaying for indoor design is filled It sets.
Background technique
Indoor design show model be it is stringent it is miniature in proportion made of a kind of practical bandwagon effect.It is three-dimensional space Art recurring can intuitively illustrate interior design plan very much.Meanwhile showing that model is also one kind of buildings model, it is exhibition Show the important communication representation aids of one kind of designer.
It is a variety of to show that the original design figure type of model is divided into construction drawing, effect picture etc..But existing displaying fills at present It sets during displaying or biases toward and show and model or bias toward Exhibition Design figure, make to show to be not achieved and take into account comprehensively Effect is unable to satisfy the ornamental of various people, learning demand, and existing displaying device spacial flex is too small, it is difficult to place Some biggish models of specification, use inconvenient.
Therefore, design it is a kind of show full-featured, the biggish relevant apparatus of spacial flex be those skilled in the art urgently It must solve the problems, such as.
Summary of the invention
In view of this, the present invention provides a kind of displaying devices for indoor design.
To achieve the goals above, the present invention adopts the following technical scheme:
A kind of displaying device for indoor design, cabinet and control device including rectangular parallelepiped structure, in the cabinet Portion is equipped with lifting device, and the top of the lifting device is horizontally disposed with support holder structure, and the shape adaptation of the support holder structure is in institute Cabinet is stated, and is able to achieve the support holder structure and moves up and down the case is intracorporal;The both ends of the top of the box case mouth are respectively One and half case lids are hinged with by connection component, and two half case lid shapes are identical and symmetric design, inwards horizontal shutting The case mouth is just covered afterwards, forms the plane of flattening concordant with the case mouth after outside flip horizontal;
The lateral surface of the cabinet is equipped with liquid crystal display and blackboard, and the liquid crystal display is located at the outer of the blackboard Portion, and the top of the liquid crystal display and bottom end are equipped with sliding block, the top and bottom end of the cabinet are equipped with horizontal slide rail, institute Sliding block slide fit is stated on the sliding rail;
The control device and the lifting device, the liquid crystal display are realized and are electrically connected.
By using above-mentioned technical proposal, a kind of displaying device for indoor design of the present invention can both show that entity was set Model is counted, and the design reason that corresponding video data auxiliary people further appreciate that model can be played by liquid crystal display It reads, keeps the displaying of model more diversified, bandwagon effect is more preferable.The present apparatus applies also for imparting knowledge to students simultaneously, further when needing When explaining the model shown, liquid crystal display can be allowed to be displaced outwardly along sliding rail, expose subsequent writing blackboard, auxiliary teacher into The further explanation of row.
Based on the above technical solution, the present invention can also make following improvement:
Preferably, the lifting device includes the bottom plate for being fixed on the box inside bottom, the company of sliding on the bottom plate Be connected to two groups of support constructions, support construction described in two groups be oppositely arranged and support construction described in every group by interconnection two branch Strut composition, is provided with pin shaft at the interconnection of two support rods, and the one end of the support construction far from the bottom plate is sliding It is dynamic to be connected with the support holder structure, crossbeam is correspondingly arranged between support construction described in two groups;
The lifting device further includes electric pushrod, and one end of the electric pushrod is articulated on the bottom plate, the other end It is articulated on the crossbeam.
The utility model has the advantages that above-mentioned lifting device can carry out elevating movement under control of the control means, make end placed on it Support holder structure on displaying model can be realized stablize, reliable lifting.
Preferably, design has retention bead on the sliding block of the liquid crystal display bottom end, the cunning positioned at bottom end Rail is equipped with only to stop and the limit hole of stroke limit for realizing the sliding block, and the retention bead and the limit hole are suitable Match.
The utility model has the advantages that cooperating by the limit hole in the retention bead and sliding rail on sliding block, carrying out liquid crystal display It is unlikely while slidable adjustment the case where sliding out sliding rail occur.
Preferably, half case lid and the support holder structure are wide, and half case lid, which had both been played, to be made to show model after storage The function of ash fouling is not fallen, while the collocation support holder structure of extension function horizontally outward of half case lid also considerably increases exhibition booth Area can place the displaying model of more large-scale specifications, increase the practicability for showing device.
Preferably, the bottom of the cabinet is equipped with the universal caster wheel with self-locking function.
The utility model has the advantages that the universal caster wheel with self-locking function, which not only can be convenient, shows moving freely for device, but also protect The stability for having demonstrate,proved its placement, can be such that the displaying device uses in a variety of occasions, strong applicability.
Preferably, the support holder structure upper end is provided with several LED light.
The utility model has the advantages that LED light multi-faceted can be arranged, to facilitate visitor clearly to observe displaying mould in each angle Type, it is ensured that exhibition and teaching efficiency.
Preferably, control button is additionally provided on the cabinet, the control device is realized by control button to the liter The control of falling unit, the liquid crystal display and the LED light operates.
The utility model has the advantages that user can manipulate each structure in apparatus of the present invention by control button, the present invention is substantially increased The convenience that device uses.
It can be seen via above technical scheme that compared with prior art, the present disclosure provides one kind to set for interior The displaying device of meter can synchronize three implementation model displaying, coherent video broadcasting, blackboard writing teaching operations, while can also Interim placement is more large-scale to design a model, and has the advantages that show that full-featured, spacial flex is big, combines teaching, gram It has taken and existing has shown the having a single function of device, the defect that spacial flex is small.
Detailed description of the invention
In order to more clearly explain the embodiment of the invention or the technical proposal in the existing technology, to embodiment or will show below There is attached drawing needed in technical description to be briefly described, it should be apparent that, the accompanying drawings in the following description is only this The embodiment of invention for those of ordinary skill in the art without creative efforts, can also basis The attached drawing of offer obtains other attached drawings.
Fig. 1 attached drawing is device schematic diagram of internal structure provided by the invention.
Fig. 2 attached drawing is device external structure schematic diagram provided by the invention.
Fig. 3 attached drawing is the partial enlargement diagram of the part A in Fig. 2.
Fig. 4 attached drawing is the partial enlargement diagram of the part B in Fig. 2.
Fig. 5 attached drawing is device side structure schematic diagram provided by the invention
Wherein, each appended drawing reference are as follows:
1- cabinet, 2- lifting device, 21- bottom plate, 22- support construction, 23- crossbeam, 24- electric pushrod, 3- support holder structure, Half case lid of 4-, 5- liquid crystal display, 6- blackboard, 7- sliding block, 71- retention bead, 8- sliding rail, 81- limit hole, 9- universal caster wheel.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete Site preparation description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts every other Embodiment shall fall within the protection scope of the present invention.
As shown in Figs. 1-5, the embodiment of the invention discloses a kind of displaying devices for indoor design, including cuboid knot The cabinet 1 and control device of structure, wherein
As shown in Figure 1,5, the lifting device 2 being electrically connected with control device, the top of lifting device 2 are equipped with inside cabinet 1 Horizontally disposed support holder structure 3 is held, for the shape adaptation of support holder structure 3 in cabinet 1, i.e. support holder structure 3 is the length for being slightly less than box mouth Square configuration, to realize that support holder structure 3 freely moves up and down in cabinet 1.
The both ends of 1 top tank mouth of cabinet are hinged with one and half case lids 4, two and half case lids, 4 shape each by connection component Identical and symmetric design just covers case mouth inwards, forms concordant with case mouth prolong after outside flip horizontal after horizontal shutting Developable surface can also further design handle on half case lid 4.Two and half case lids 4 can either play protective action, protect in cabinet 1 Model is not easily susceptible to pollute and damage, while the plane of flattening concordant with case mouth formed after the outside flip horizontal of two and half case lid 4 It is used in combination afterwards with support holder structure 3, considerably increases the usable floor area of exhibition booth, put the model of some large sizes can also temporarily It is shown on to the exhibition booth of displaying device of the invention.
As shown in Fig. 2, being additionally provided with liquid crystal display 5 and blackboard 6 on the lateral surface of cabinet 1, liquid crystal display 5 is located at blackboard 6 outside is electrically connected with control device, is realized and is opened and closed.The top and bottom end of liquid crystal display 5 are equipped with sliding block 7, The top and bottom end of cabinet 1 are equipped with horizontal slide rail 8, and 7 slide fit of sliding block is on sliding rail 8.Under normal circumstances, 5 meeting of liquid crystal display Blackboard 6 is sheltered from completely, it, only need to be gently outside by liquid crystal display 5 when needing further to carry out aided education by blackboard 6 It pushes away, exposes the blackboard 6 of the inside.
In order to further optimize the above technical scheme, as shown in Figure 1,5, above-mentioned lifting device 2 includes being fixed in cabinet 1 The bottom plate 21 of side bottom slidably connects two groups of support constructions 22 on bottom plate 21, and two groups of support constructions are on bottom plate 21 in opposite Position setting, every group of support construction 22 is by two support bar groups of interconnection at setting at the interconnection of two support rods It is equipped with pin shaft, to realize the flexible connection of cross one another two support rods, support construction 22 is slided far from one end of bottom plate 21 Connecting trays structure 3 is correspondingly arranged on crossbeam 23 between two groups of support constructions 22;It further include electric pushrod 24 on lifting device 2, One end of electric pushrod 24 is articulated on bottom plate 21, and the other end is articulated on crossbeam 23, and flexible by electric pushrod 24 can be with Go up and down support holder structure 3.
In order to further optimize the above technical scheme, as in Figure 2-4, it is set on the sliding block 7 of 5 bottom end of liquid crystal display In respect of retention bead 71, the sliding rail 8 positioned at bottom end is equipped with limit hole 81, and retention bead 71 is adapted to limit hole 81, works as liquid crystal After display screen 5 slides into certain position, the retention bead 71 on bottom end sliding block 7 can be caught in the limit hole 81 of corresponding sliding rail 8, real Existing liquid crystal display 5 only stop and stroke limit, then slightly enforce liquid crystal display 5, retention bead 71 can be made to be detached from Limit hole 81 realizes the return of liquid crystal display 5.
In order to further optimize the above technical scheme, half case lid 4 and support holder structure 3 are wide.
In order to further optimize the above technical scheme, the bottom of cabinet 1 is equipped with the universal caster wheel 9 with self-locking function.
In order to further optimize the above technical scheme, 3 upper end of support holder structure is provided with several LED light.
In order to further optimize the above technical scheme, it is additionally provided with control button on cabinet 1, control device passes through control button Realize that the control to electric pushrod 24, liquid crystal display 5 and the LED light operates.
The concrete operating principle of the embodiment of the present invention are as follows:
The present invention is a kind of to show that device is being used as half case lid shown in use, on opening cabinet 1 for indoor design 4, control button manipulation electric pushrod 24, which is pressed, by the displaying model of support holder structure 3 and its institute's support rises to suitable height, People are facilitated to visit;When needing further to assist people to understand by video data to show model, control button is pressed It opens liquid crystal display 5 and plays corresponding video;When the present invention is applied to teaching, people can be by 5 water of liquid crystal display It is flat-pushing to arrive side, expose subsequent blackboard 6, while video explanation, is further write on blackboard 6, auxiliary is said Solution.
When the shape for showing model is excessive, pallet knot, when 3 insufficient area support, can manipulate electric pushrod 24 will The height concordant with case mouth is arrived in the control of support holder structure 3, cooperates it with the plane of flattening that two and half case lids 4 are constituted, is formed bigger Large-scale displaying model is placed in exhibition booth.
Each embodiment in this specification is described in a progressive manner, the highlights of each of the examples are with other The difference of embodiment, the same or similar parts in each embodiment may refer to each other.For device disclosed in embodiment For, since it is corresponded to the methods disclosed in the examples, so being described relatively simple, related place is said referring to method part It is bright.
The foregoing description of the disclosed embodiments enables those skilled in the art to implement or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, as defined herein General Principle can be realized in other embodiments without departing from the spirit or scope of the present invention.Therefore, of the invention It is not intended to be limited to the embodiments shown herein, and is to fit to and the principles and novel features disclosed herein phase one The widest scope of cause.

Claims (7)

1. a kind of displaying device for indoor design, cabinet (1) and control device, feature including rectangular parallelepiped structure exist In equipped with lifting device (2) inside the cabinet (1), the top of the lifting device (2) is horizontally disposed with support holder structure (3), institute The shape adaptation of support holder structure (3) is stated in the cabinet (1), and is able to achieve the support holder structure (3) in the cabinet (1) It moves up and down;The both ends of cabinet (1) the top tank mouth are hinged with one and half case lids (4) each by connection component, two institutes It states that half case lid (4) shape is identical and symmetric design, just covers the case mouth after horizontal shutting inwards, after outside flip horizontal Form the plane of flattening concordant with the case mouth;
The lateral surface of the cabinet (1) is equipped with liquid crystal display (5) and blackboard (6), and the liquid crystal display (5) is located at described The outside of blackboard (6), and the top of the liquid crystal display (5) and bottom end are equipped with sliding block (7), the top of the cabinet (1) and Bottom end is equipped with horizontal slide rail (8), and sliding block (7) slide fit is on the sliding rail (8);
The control device and the lifting device (2), the liquid crystal display (5) are realized and are electrically connected.
2. a kind of displaying device for indoor design according to claim 1, it is characterised in that: the lifting device (2) include the bottom plate (21) for being fixed on the cabinet (1) inside bottom, slidably connect two groups of support knots on the bottom plate (21) Structure (22), support construction described in two groups (22) is oppositely arranged and support construction described in every group (22) is supported by two of interconnection Bar composition is provided with pin shaft at the interconnection of two support rods, and the support construction (22) is far from the bottom plate (21) One end slidably connects the support holder structure (3), and crossbeam (23) are correspondingly arranged between support construction described in two groups (22);
The lifting device (2) further includes electric pushrod (24), and one end of the electric pushrod (24) is articulated with the bottom plate (21) on, the other end is articulated on the crossbeam (23).
3. a kind of displaying device for indoor design according to claim 1, it is characterised in that: be located at the liquid crystal On the sliding block (7) of display screen (5) bottom end design have retention bead (71), positioned at bottom end the sliding rail (8) be equipped with for realizing The sliding block (7) is only stopped and the limit hole of stroke limit (81), the retention bead (71) are adapted to the limit hole (81).
4. a kind of displaying device for indoor design according to claim 1, it is characterised in that: half case lid (4) It is wide with the support holder structure (3).
5. a kind of displaying device for indoor design according to claim 1, it is characterised in that: the cabinet (1) Bottom is equipped with the universal caster wheel (9) with self-locking function.
6. a kind of displaying device for indoor design according to claim 1, it is characterised in that: the support holder structure (3) upper end is provided with several LED light.
7. a kind of displaying device for indoor design according to claim 6, it is characterised in that: on the cabinet (1) It is additionally provided with control button, the control device is realized by control button to the lifting device (2), the liquid crystal display (5) and the control of the LED light operates.
CN201910021267.1A 2019-01-09 2019-01-09 A kind of displaying device for indoor design Pending CN109686216A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201910021267.1A CN109686216A (en) 2019-01-09 2019-01-09 A kind of displaying device for indoor design

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201910021267.1A CN109686216A (en) 2019-01-09 2019-01-09 A kind of displaying device for indoor design

Publications (1)

Publication Number Publication Date
CN109686216A true CN109686216A (en) 2019-04-26

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111273510A (en) * 2020-03-17 2020-06-12 吉林师范大学 Think political affairs training and use portable projection arrangement

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101032974A (en) * 2007-04-05 2007-09-12 宁波市远望谷信息技术有限公司 Barrow
CN203038753U (en) * 2012-12-20 2013-07-03 四川高精净化设备有限公司 Vacuum oiling machine capable of being lifted
CN204576856U (en) * 2015-04-20 2015-08-19 孔岩 Multimedia messages instructional device
CN204990780U (en) * 2015-09-17 2016-01-20 昆明隆达知识产权事务代理有限公司 Integrative show board of intellectual property explanation demonstration
CN107284806A (en) * 2017-07-11 2017-10-24 深圳市星鼎源科技有限公司 A kind of food inspection Portable checking box
CN208036914U (en) * 2018-03-12 2018-11-02 盐城市汇宝包装材料有限公司 A kind of corrugated board pallet
CN109036045A (en) * 2018-08-24 2018-12-18 莫逢文 Physics experiment teaching demonstrating model

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101032974A (en) * 2007-04-05 2007-09-12 宁波市远望谷信息技术有限公司 Barrow
CN203038753U (en) * 2012-12-20 2013-07-03 四川高精净化设备有限公司 Vacuum oiling machine capable of being lifted
CN204576856U (en) * 2015-04-20 2015-08-19 孔岩 Multimedia messages instructional device
CN204990780U (en) * 2015-09-17 2016-01-20 昆明隆达知识产权事务代理有限公司 Integrative show board of intellectual property explanation demonstration
CN107284806A (en) * 2017-07-11 2017-10-24 深圳市星鼎源科技有限公司 A kind of food inspection Portable checking box
CN208036914U (en) * 2018-03-12 2018-11-02 盐城市汇宝包装材料有限公司 A kind of corrugated board pallet
CN109036045A (en) * 2018-08-24 2018-12-18 莫逢文 Physics experiment teaching demonstrating model

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111273510A (en) * 2020-03-17 2020-06-12 吉林师范大学 Think political affairs training and use portable projection arrangement
CN111273510B (en) * 2020-03-17 2021-10-01 吉林师范大学 A portable projection device for ideological and political training

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